University of Illinois at Urbana-Champaign. (1887). The American Journal of Psychology. University of Illinois Press.
Chicago-referens (17:e uppl.)University of Illinois at Urbana-Champaign. The American Journal of Psychology. Champaign, Ill: University of Illinois Press, 1887.
MLA-referens (8:e uppl.)University of Illinois at Urbana-Champaign. The American Journal of Psychology. University of Illinois Press, 1887.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.